{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Disease", "Chemical"], "input": "Addition of excess calcium reversed the depression in both tissues , but calcium - independent catecholamine release by acetaldehyde was not blocked by NH4Ac ."}
{"Disease": ["depression"], "Chemical": ["calcium", "catecholamine", "acetaldehyde", "NH4Ac"]}